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Luboš Motl

Hi, I am a string theorist and a publicist.

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  • Member for 10 years
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  • Last seen May 6 at 7:42

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221 Why does $1+2+3+\cdots = -\frac{1}{12}$? May 18 '11
56 What's the value of $\sum\limits_{k=1}^{\infty}\frac{k^2}{k!}$? Jun 8 '11
26 Puzzle: $(\Box @)+(\Box @) = (\Box\bigstar\Box$) Jun 26 '11
16 p chance of winning tennis point -> what f(p) chance of winning game? Jun 10 '11
13 Finding number of matrices whose square is the identity matrix Jun 9 '11
13 Piecewise smooth, non-orientable, closed-surface: a contradiction in terms, or am I going mad? Jun 5 '11
13 Fourier transform vs Fourier series Dec 15 '12
12 Is there an analogue to the “Delta” symbol for ratios? Jun 11 '11
12 Smooth transition between two lines (2d) Jun 14 '11
12 What is the relationship between the root lattice and weight lattice? May 24 '11
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